Use of cookies by SourceCode Technology Holdings, Inc. We use cookies to deliver our online services. Details and instructions on how to disable those cookies are set out here. By continuing to use this website you agree to our use of our cookies unless you have disabled them.

K2 Management Site loads a blank page and the SmartForms Runtime Site spins continuously

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice This article is not considered official documentation for K2 software and is provided “as is” with no warranties.

Issue

After upgrading to K2 Five, the K2 Management Site loads a blank page and Forms running via the 'Runtime/Runtime' URL spins continuously.

Symptoms

Forms do load when using the 'Designer/Runtime' site; this indicates a difference in configuration between the two sub-sites.

The following JavaScript error was also logged in the F12 Developer Tools:

Unable to get property 'setAntiXSRFHeader' of undefined or null reference

It was determined that the following key was implemented in a previous version of K2 which had resulted in this behavior: